Hub



FIG. 1 is a top, front and left side perspective view of a hub showing our new design;

FIG. 2 is a top, rear and right side perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a right elevation view thereof;

FIG. 6 is a left elevation view thereof, the left elevation view being a mirror image of the right elevation view;

FIG. 7 is a rear elevation view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken line in the figure drawing views is included to show unclaimed environment only and forms no part of the claimed design. 

CLAIM The ornamental design for a hub, as shown and described. 